參考:http://msdn.microsoft.com/zh-tw/library/hh925568(v=vs.110).aspx
Release DWORD 的值=378758: .NET Framework 4.5.1 安裝於 Windows 8、Windows 7 SP1 或 Windows Vista SP2 上
PS C:\Users\user1> Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -recurse | Get-ItemProperty -name release -EA 0 | Select-Object -First 1 Release : 378758 PSPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4 PSChildName : Client PSProvider : Microsoft.PowerShell.Core\Registry